Company lists · Data refreshed October 2026
Top 25 Tax controversy attorneys based in Canada
RevenueBase identified 62 company matches for tax controversy attorneys associated with Canada as of October 2026 and tracks 406 professional contacts across them, including 223 with verified work emails. Toronto is the largest hub.
This list covers company matches for tax controversy attorneys associated with Canada, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest tax controversy attorneys based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 110 contacts → | ||||
Exact match “Thorsteinssons is the largest Canadian law firm practicing exclusively in Tax.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 2 | 37 contacts → | ||||
Exact match “Rosen & Associates Tax Law (“R&A Tax Law) is a national tax law firm based in Toronto, Ontario.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 25 contacts → | ||||
Exact match “Beitel Tax Law (formerly Farber Tax Law) is a tax boutique representing businesses and their owners in conflict with the Canada Revenue Agency.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 4 | 16 contacts → | ||||
Exact match “Barsalou Lawson Rheault is recognized as one of Canada’s leading tax law firms.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 15 contacts → | ||||
Exact match “Taxpayer Law | Tax Litigation & Dispute Resolution For inquiries, contact igor@taxpayer.law or visit At Taxpayer Law, we focus exclusively on tax litigation and dispute resolution.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 6 | 12 contacts → | ||||
Exact match “Counter Tax Litigators LLP focuses exclusively on tax disputes involving established private companies and executive-level CRA exposure.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 7 | 10 contacts → | ||||
Exact match “TaxChambers LLP is a tax law firm located in Toronto's financial district.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 8 contacts → | ||||
Exact match “Barrett Tax Law, a national tax law firm based in Toronto, Ontario, provides expert legal tax advice and representation by experienced tax lawyers to small business owners and the…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 8 contacts → | ||||
Exact match “Individuals, businesses of all sizes, organizations and even charities will face tax issues from time to time.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 8 contacts → | ||||
Exact match “Civil, commercial, estates, tax, and employment litigation.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “We're dedicated to our clients.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “Schmidt & Gilmour Tax Law is a British Columbia based law firm practising exclusively in the areas of tax litigation and tax controversy.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “Ravinsky Ryan Lemoine est un cabinet d’avocats établi à Montréal qui fournit une vaste gamme de services juridiques reliés aux affaires et à l’entreprise.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “The Canada Revenue Agency (CRA) provides taxpayers with several telephone help lines, through which taxpayers can obtain both general tax information and information specific to…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “Fondé en 1991 par Madame Renée Gallant FCPA, FCA, M.Fisc, le cabinet est une des premières pratiques autonomes d'importance en fiscalité au Canada.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “Cabinet boutique de litige en droit criminel, pénal et fiscal.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “HazloLaw - Business Lawyers | Avocats d'affaires is a leading Boutique Business Law Firm headquartered in Ottawa, Ontario.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Situé au cœur de Bromont et de Vieux-Port Montréal, Twin Lisbet offre une gamme complète de services juridiques spécialisés en droit fiscal, en droit des affaires, ainsi qu’en…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Business Law” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Nijhawan McMillan Barristers is a boutique litigation firm in Halifax, Nova Scotia, serving individual, corporate and institutional clients in the areas of civil, taxation and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Mors & Tribute is a boutique tax law firm providing quality planning and controversy services without the overhead of full-service law firms.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Quantum Business Law represents a wide array of business clients seeking representation on tax law, tax litigation, corporate & commercial litigation, class action litigation and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “Radnoff Law Offices is a boutique tax law firm residing in Toronto.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Every person with a tax dispute has a story to tell.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “tax controversy attorneys”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 62 tax controversy attorneys based in Canada
See the full list, filter by size, metro and specialty, and access 223 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tax controversy attorneys based in Canada at a glance
As of Oct 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 62 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Canada whose business descriptions match “tax controversy attorneys” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 223 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax controversy attorneys”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tax controversy attorneys are there based in Canada?
RevenueBase identified 62 company matches for tax controversy attorneys associated with Canada as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Thorsteinssons TAX Lawyers tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most tax controversy attorneys?
Toronto leads with 23 company records, followed by Montreal (8) and Vancouver (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 223 professional contacts with verified work emails tracked across these 62 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 62 tax controversy attorneys based in Canada. Start with a free account, no credit card.
Download this list →Related lists
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- Tax controversy attorneys based in Santiago, Chile
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Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Tax controversy attorneys based in Belo Horizonte, Brazil
- Tax controversy attorneys based in Curitiba, Brazil
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Company intelligence · public preview
Top 25 tax controversy attorneys based in Canada
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 62 matching company records for tax controversy attorneys based in Canada, with 406 tracked contacts and 223 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tax controversy attorneys based in Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Thorsteinssons TAX Lawyersthor.caHQ: Vancouver, BC, CanadaReported employees: 51-200 | Vancouver, BC, Canada | 51-200 | Exact match | 110 contacts → |
“Thorsteinssons is the largest Canadian law firm practicing exclusively in Tax.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Rosen & Associates TAX LAWrosentaxlaw.comHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 37 contacts → |
“Rosen & Associates Tax Law (“R&A Tax Law) is a national tax law firm based in Toronto, Ontario.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Beitel TAX LAW LLPbtl.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 25 contacts → |
“Beitel Tax Law (formerly Farber Tax Law) is a tax boutique representing businesses and their owners in conflict with the Canada Revenue Agency.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Barsalou Lawson Rheault LLPbarsalou.caHQ: Montréal, QC, CanadaReported employees: 11-50 | Montréal, QC, Canada | 11-50 | Exact match | 16 contacts → |
“Barsalou Lawson Rheault is recognized as one of Canada’s leading tax law firms.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Taxpayer LAWtaxpayer.lawHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 15 contacts → |
“Taxpayer Law | Tax Litigation & Dispute Resolution For inquiries, contact igor@taxpayer.law or visit At Taxpayer Law, we focus exclusively on tax litigation and dispute resolution.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Counter TAX Litigators LLPcountertax.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 12 contacts → |
“Counter Tax Litigators LLP focuses exclusively on tax disputes involving established private companies and executive-level CRA exposure.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Taxchambers LLPtaxchambers.caHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 10 contacts → |
“TaxChambers LLP is a tax law firm located in Toronto's financial district.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Barrett TAX LAWbarretttaxlaw.com HQ: Vaughan, ON, CanadaReported employees: 11-50 | Vaughan, ON, Canada | 11-50 | Exact match | 8 contacts → |
“Barrett Tax Law, a national tax law firm based in Toronto, Ontario, provides expert legal tax advice and representation by experienced tax lawyers to small business owners and the…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Rotfleisch & Samulovitch P.Ctaxpage.comHQ: Toronto, CanadaReported employees: 11-50 | Toronto, Canada | 11-50 | Exact match | 8 contacts → |
“Individuals, businesses of all sizes, organizations and even charities will face tax issues from time to time.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Payne LAW Professional Corporationpaynelaw.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 8 contacts → |
“Civil, commercial, estates, tax, and employment litigation.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Saar Professional Consultantssaarcanada.caHQ: Brampton, ON, CanadaReported employees: 1-10 | Brampton, ON, Canada | 1-10 | Exact match | 7 contacts → |
“We're dedicated to our clients.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Schmidt & Gilmour TAX LAW LLPschmidtgilmour.comHQ: Vancouver, BC, CanadaReported employees: 1-10 | Vancouver, BC, Canada | 1-10 | Exact match | 6 contacts → |
“Schmidt & Gilmour Tax Law is a British Columbia based law firm practising exclusively in the areas of tax litigation and tax controversy.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ravinsky Ryan Lemoineravinskyryan.com HQ: Montreal, QC, CanadaReported employees: 11-50 | Montreal, QC, Canada | 11-50 | Exact match | 6 contacts → |
“Ravinsky Ryan Lemoine est un cabinet d’avocats établi à Montréal qui fournit une vaste gamme de services juridiques reliés aux affaires et à l’entreprise.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Schroeder Rashid LLPschroederrashid.ca HQ: Richmond, BC, CanadaReported employees: 1-10 | Richmond, BC, Canada | 1-10 | Exact match | 6 contacts → |
“The Canada Revenue Agency (CRA) provides taxpayers with several telephone help lines, through which taxpayers can obtain both general tax information and information specific to…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Gallant & Associés INCgallantcpa.ca HQ: Brossard, QC, CanadaReported employees: 11-50 | Brossard, QC, Canada | 11-50 | Exact match | 6 contacts → |
“Fondé en 1991 par Madame Renée Gallant FCPA, FCA, M.Fisc, le cabinet est une des premières pratiques autonomes d'importance en fiscalité au Canada.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Coupal Chauvelotcoupalchauvelot.com HQ: Outremont, QC, CanadaReported employees: 1-10 | Outremont, QC, Canada | 1-10 | Exact match | 5 contacts → |
“Cabinet boutique de litige en droit criminel, pénal et fiscal.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Hazlolawhazlolaw.comHQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 5 contacts → |
“HazloLaw - Business Lawyers | Avocats d'affaires is a leading Boutique Business Law Firm headquartered in Ottawa, Ontario.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Twin Lisbettwinlisbet.com HQ: Montreal, QC, CanadaReported employees: 1-10 | Montreal, QC, Canada | 1-10 | Exact match | 5 contacts → |
“Situé au cœur de Bromont et de Vieux-Port Montréal, Twin Lisbet offre une gamme complète de services juridiques spécialisés en droit fiscal, en droit des affaires, ainsi qu’en…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Ritchie, KWO & Wright LLPrkwlaw.caHQ: Vancouver, BC, CanadaReported employees: 1-10 | Vancouver, BC, Canada | 1-10 | Exact match | 4 contacts → |
“Business Law” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Nijhawan Mcmillan & Conlon Barristersnmbarristers.com HQ: Halifax, NS, CanadaReported employees: 1-10 | Halifax, NS, Canada | 1-10 | Exact match | 4 contacts → |
“Nijhawan McMillan Barristers is a boutique litigation firm in Halifax, Nova Scotia, serving individual, corporate and institutional clients in the areas of civil, taxation and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mors & Tribute TAX LAWmorstribute.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 4 contacts → |
“Mors & Tribute is a boutique tax law firm providing quality planning and controversy services without the overhead of full-service law firms.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 4 contacts → |
“Quantum Business Law represents a wide array of business clients seeking representation on tax law, tax litigation, corporate & commercial litigation, class action litigation and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Radnoff Haworth LLPrhlawoffices.com HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 4 contacts → |
“Radnoff Law Offices is a boutique tax law firm residing in Toronto.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Gerb TAX LAW Professional Corporationgerbtaxlaw.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 3 contacts → |
“Every person with a tax dispute has a story to tell.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | CD Legal INCcdlegal.ca HQ: Laval, QC, CanadaReported employees: 1-10 | Laval, QC, Canada | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 62 company matches
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Tax controversy attorneys: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
62 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 62 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for tax controversy attorneys?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tax controversy attorneys did RevenueBase find based in Canada?
The saved snapshot records 62 matching company records, 406 tracked contacts and 223 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Tax controversy attorneys by geography
- Tax controversy attorneys based in Belo Horizonte, Brazil
- Tax controversy attorneys based in Curitiba, Brazil
- Tax controversy attorneys based in Porto Alegre, Brazil
- Tax controversy attorneys based in Recife, Brazil
- Tax controversy attorneys based in Rio De Janeiro, Brazil
- Tax controversy attorneys based in Sao Paulo, Brazil
- Tax controversy attorneys based in Santiago, Chile
- Tax controversy attorneys based in Paris, France
- Tax controversy attorneys based in Berlin, Germany
- Tax controversy attorneys based in Munich, Germany
- Tax controversy attorneys based in Milan, Italy
- Tax controversy attorneys based in Rome, Italy
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 tax controversy attorneys based in Canada. Snapshot: October 22, 2026. https://revenuebase.ai/companies/tax-controversy-attorneys/canada.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Tax controversy attorneys based in Belo Horizonte, Brazil
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- Tax controversy attorneys based in Porto Alegre, Brazil
- Tax controversy attorneys based in Recife, Brazil
- Tax controversy attorneys based in Rio De Janeiro, Brazil
- Tax controversy attorneys based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 tax controversy attorneys based in Canada
RevenueBase records 62 matching company records for tax controversy attorneys based in Canada, with 406 tracked contacts and 223 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tax controversy attorneys based in Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Thorsteinssons TAX Lawyersthor.ca HQ: Vancouver, BC, CanadaReported employees: 51-200 | Vancouver, BC, Canada | 51-200 | Exact match | 110 contacts → |
“Thorsteinssons is the largest Canadian law firm practicing exclusively in Tax.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Rosen & Associates TAX LAWrosentaxlaw.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 37 contacts → |
“Rosen & Associates Tax Law (“R&A Tax Law) is a national tax law firm based in Toronto, Ontario.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Beitel TAX LAW LLPbtl.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 25 contacts → |
“Beitel Tax Law (formerly Farber Tax Law) is a tax boutique representing businesses and their owners in conflict with the Canada Revenue Agency.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Barsalou Lawson Rheault LLPbarsalou.ca HQ: Montréal, QC, CanadaReported employees: 11-50 | Montréal, QC, Canada | 11-50 | Exact match | 16 contacts → |
“Barsalou Lawson Rheault is recognized as one of Canada’s leading tax law firms.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Taxpayer LAWtaxpayer.law HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 15 contacts → |
“Taxpayer Law | Tax Litigation & Dispute Resolution For inquiries, contact igor@taxpayer.law or visit At Taxpayer Law, we focus exclusively on tax litigation and dispute resolution.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Counter TAX Litigators LLPcountertax.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 12 contacts → |
“Counter Tax Litigators LLP focuses exclusively on tax disputes involving established private companies and executive-level CRA exposure.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Taxchambers LLPtaxchambers.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 10 contacts → |
“TaxChambers LLP is a tax law firm located in Toronto's financial district.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Barrett TAX LAWbarretttaxlaw.com HQ: Vaughan, ON, CanadaReported employees: 11-50 | Vaughan, ON, Canada | 11-50 | Exact match | 8 contacts → |
“Barrett Tax Law, a national tax law firm based in Toronto, Ontario, provides expert legal tax advice and representation by experienced tax lawyers to small business owners and the…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Rotfleisch & Samulovitch P.Ctaxpage.com HQ: Toronto, CanadaReported employees: 11-50 | Toronto, Canada | 11-50 | Exact match | 8 contacts → |
“Individuals, businesses of all sizes, organizations and even charities will face tax issues from time to time.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Payne LAW Professional Corporationpaynelaw.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 8 contacts → |
“Civil, commercial, estates, tax, and employment litigation.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Saar Professional Consultantssaarcanada.ca HQ: Brampton, ON, CanadaReported employees: 1-10 | Brampton, ON, Canada | 1-10 | Exact match | 7 contacts → |
“We're dedicated to our clients.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Schmidt & Gilmour TAX LAW LLPschmidtgilmour.com HQ: Vancouver, BC, CanadaReported employees: 1-10 | Vancouver, BC, Canada | 1-10 | Exact match | 6 contacts → |
“Schmidt & Gilmour Tax Law is a British Columbia based law firm practising exclusively in the areas of tax litigation and tax controversy.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ravinsky Ryan Lemoineravinskyryan.com HQ: Montreal, QC, CanadaReported employees: 11-50 | Montreal, QC, Canada | 11-50 | Exact match | 6 contacts → |
“Ravinsky Ryan Lemoine est un cabinet d’avocats établi à Montréal qui fournit une vaste gamme de services juridiques reliés aux affaires et à l’entreprise.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Schroeder Rashid LLPschroederrashid.ca HQ: Richmond, BC, CanadaReported employees: 1-10 | Richmond, BC, Canada | 1-10 | Exact match | 6 contacts → |
“The Canada Revenue Agency (CRA) provides taxpayers with several telephone help lines, through which taxpayers can obtain both general tax information and information specific to…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Gallant & Associés INCgallantcpa.ca HQ: Brossard, QC, CanadaReported employees: 11-50 | Brossard, QC, Canada | 11-50 | Exact match | 6 contacts → |
“Fondé en 1991 par Madame Renée Gallant FCPA, FCA, M.Fisc, le cabinet est une des premières pratiques autonomes d'importance en fiscalité au Canada.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Coupal Chauvelotcoupalchauvelot.com HQ: Outremont, QC, CanadaReported employees: 1-10 | Outremont, QC, Canada | 1-10 | Exact match | 5 contacts → |
“Cabinet boutique de litige en droit criminel, pénal et fiscal.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hazlolawhazlolaw.com HQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 5 contacts → |
“HazloLaw - Business Lawyers | Avocats d'affaires is a leading Boutique Business Law Firm headquartered in Ottawa, Ontario.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Twin Lisbettwinlisbet.com HQ: Montreal, QC, CanadaReported employees: 1-10 | Montreal, QC, Canada | 1-10 | Exact match | 5 contacts → |
“Situé au cœur de Bromont et de Vieux-Port Montréal, Twin Lisbet offre une gamme complète de services juridiques spécialisés en droit fiscal, en droit des affaires, ainsi qu’en…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ritchie, KWO & Wright LLPrkwlaw.ca HQ: Vancouver, BC, CanadaReported employees: 1-10 | Vancouver, BC, Canada | 1-10 | Exact match | 4 contacts → |
“Business Law” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Nijhawan Mcmillan & Conlon Barristersnmbarristers.com HQ: Halifax, NS, CanadaReported employees: 1-10 | Halifax, NS, Canada | 1-10 | Exact match | 4 contacts → |
“Nijhawan McMillan Barristers is a boutique litigation firm in Halifax, Nova Scotia, serving individual, corporate and institutional clients in the areas of civil, taxation and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mors & Tribute TAX LAWmorstribute.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 4 contacts → |
“Mors & Tribute is a boutique tax law firm providing quality planning and controversy services without the overhead of full-service law firms.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 4 contacts → |
“Quantum Business Law represents a wide array of business clients seeking representation on tax law, tax litigation, corporate & commercial litigation, class action litigation and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Radnoff Haworth LLPrhlawoffices.com HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 4 contacts → |
“Radnoff Law Offices is a boutique tax law firm residing in Toronto.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Gerb TAX LAW Professional Corporationgerbtaxlaw.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 3 contacts → |
“Every person with a tax dispute has a story to tell.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | CD Legal INCcdlegal.ca HQ: Laval, QC, CanadaReported employees: 1-10 | Laval, QC, Canada | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 62 company matches
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Tax controversy attorneys: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
62 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 62 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for tax controversy attorneys?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tax controversy attorneys did RevenueBase find based in Canada?
The saved snapshot records 62 matching company records, 406 tracked contacts and 223 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 tax controversy attorneys based in Canada. Snapshot: October 22, 2026. https://revenuebase.ai/companies/tax-controversy-attorneys/canada.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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